– Could you please ________ my little sister while I am away? – Of course, I can do that.A. look for B. look at C. look after
It’s difficult for such a girl to swim ____ the river.
—Would you like to go out for a walk with us? —,but I must finish my homework first.
I usually sleep with the window open _____ it’s very cold.
We have to _________our school trip till next week because of the heavy rain.
The light is on in Mr. Green’s room. He _______ be at home.